Means and method of assembling nibs and feed members for fountain pens



Nov. 12, 1929. c. FUNK l MEANS AND METHOD OF ASSEMBLING NIBS AND FEED MEMBERS FOR FOUNTAIN PENS Filed Aug. 14, 1924 Patented Nov. 12, 1929 UNITED .STATES PATENT OFFICE CHARLES J'AKOB FUNK, OF CHICAGO, ILLINOIS, ASSIGNOB TO THE WAHL COMPANY,

OF CHICAGO, ILLINOIS, A CORPORATION OF DELAWARE MEANS AND METHOD OF ASSEMBLING N IBS AND FEED MEMBERS FOR FOUNTAIN PENS Application led August 14, 1924. Serial No. 731,896.

.in proper position thereon, can be readily attached and detached from the pen section of the fountain pen so as to provide interchangeable units.

Heretofore in the manufactureof fountain pens, it has been customary to permanently assemble the nib in the proper writing position upon the feed member and then permanently to mount the assembled nib and feed member in the pen section of the fountain pen barrel. It was deemed necessary to assemble the complete pen at the factory t because of the required nicety of 'adjustment of the nib on the feed member ofthe fountain pen.- However, in the retailing of founv tain pens it frequently` happens that a prospective purchaser desires a pen with a type of nib different from that which is assembled on any particular barrel which happens to suit hisfancy. Heretofore, it has been necessary to maintain in stock a large assortment and variety of fountain pens because of the demand for different barrel designs and nibs.

In the present invention, this objectional burden is overcome byassembling the feed member and nib at the factory and constructing them so that they can be interchangeably connected to the pen section of any particular design of barrel. In this manner, when a prospective customer does not desire the type of nib mounted in a particular pen barrel, it is a simple matter for. the salesman to easily detach the feed member and assembled nib from the fountain pen barrel and replace it with an assembled unit which includes a nib which does suit the purchasers needs.

To this end the object of my invention is to provide a novel method and means for manufacturing a fountain pen with an assembled nib and feed member so that thelatter can be detachably mounted in the pen section of a fountain pen barrel; toA provide a novel means for adustably positioning a nib on the feed member of a fountain pen and forrholdstitute a detachable, liquid-tight connection between the pen section and the assembled feed member and nib 'to provide a feed member with a sleeve having a seat thereon for receiving the shank of a nib together with a sleeve having a. tapered ortion whereby to maintain the nib in assembled position on the feed member and whereby said tapered portion also cooperatively fits a friction surface on the pen section to constitute a locking connection between the pen section and the feed member; ,to provide a pen section having an inner locking or friction surface together with a sleeve member carrying a nib in roper position thereon and having in a dition means thereon cooperating with the locking surface of the pen section for detachably locking the feed member and nib in assembled 'position in the pen section; these and other taken in connection with the accompanying drawings wherein Figure 1 is a view of the pen, the bottom rtion thereof being shown in section to illustrate the manner of mounting the feed member andnib in the end of the barrel.

Figure 2 is a similar view taken at right angle thereto, and

Figure 3 is a disassembled View. of the feed member and nib together with the means for mounting the nib on the feed member.

Referring now to the drawings in detail, the barrel 1f of the fountain pen member is provided with a threaded end 2 into which fits the pen section 3. The pen section is shown as provided with a thread adapted to screw into the thread of Vthe barrel. In order to permit the feed member 4 to be detachably assembled in the pen section, the latter is provided with a locking surface or friction surface, the inner wall is preferably constructed to form the friction wall.' 5, the inner end of which forms stop shoulders 6 so that the nib 7 and assembled feed member 4, hereinafter described, cannot be pushed into the pen section beyond the stop shoulder.

The pen 7 is of any usual construction ex- 'ceptyfthat it is provided with a special shank` 8. Great care must be observed in assembling the nib in proper writing 'tion on this feed member 4. This must e done at the factory by skilled'operators. A simple manner for providing for this positiomng of the nib 7 on the feed member 4 com rises a hollow s1eeve'9 Vadapted to be longitudlnally positioned on the feed member 4. This i 'nib 7 on the sleeve, the sleeve being -rthe feed member 4,

sleeve'is provided with any desired form of -seat for the shank of the nib, in the preferred construction the sleeve is provided with a cut-out 10 forming a recess of shape corresponding to a. preformed end of the shank of the nib. The nib 7 has its shank 8 cut to provide stop shoulders 11. The shank so formed will fit exactlg in the cut-out portion 10 of the sleeve 9, t ing against the end of the sleeve 9.

Means is provided for permanentl holding Athenib 7 and sleeve 9 in assem led or adjusted osition on the feed member 4. The preferredp form comprises the band or sleeve 12 which is preferably given a gradual taper 13Y from one end to the other which taper has two functions, first for holding the sleeve 9 rand nib 7 on the feed member 4,l and, second, serving as a detachable, liquid-tight connection for Vmaintaining the feed member 4, andassembled nib in position in the pen section 3. Y

In assembling the fountain pen the first operation consists in slipping the sleeve 9 on the feed member 4, and in positio the so that the nib is properly and nice y adjjusted relatively to the writing point end of the feed member 3. A

After the nib is'thus nicely adjusted on the feed member, the tapered sleeve 12 is slipped over the sleeve 9 and pushed along preferably to a position such thatthe sleeve 12 registers with the end of the cut-out sleeve 9. This is to give the assembled nib and feed member a finished appearance. The assembled feed member -and nib-is now inserted in the pen section and wedged tightly in place, the taper 13 of the sleeve 12 forming a tight frictional joint and servinglto maintain the niband feed member in proper assembled position 1n thlpen section 3. This connection is suficien tight to maintain the liquid seal at 'the juncture and to form a substantially pere shoulders 11 seat-V hold said nib in a predetermined member an forming shoulders, a nib having 'a shankL aced i mames n, means for adjustably seating tion, and a holding means for maintaining such position of said nib, said holding means 'comprising' a tapered sleeve and constructed and arranged to rovide for the detachment of said feed mem r and assembled nib from the barrel portion of said fountain pen.

2. In combination with an interchangeable feed member for a fountain pen barrel, a sleeve adapted to be positioned 011 said feed member and provided with a seat for the reception of a'nib shank, a nib, and a tapered sleeve adapted to bepositioned on said frstsleeve, nib, and feed member to position relative to said feed member.

3. In combination with an interchangeablefeed member for a fountain pen barrel, a sleeve adapted to be 'tioned on said feed member and rovi edv with a cut-out portion to receive t e shank of a-nib, and a sleeve adapted to lbe ositioned on said cut sleeve, nib shank, an feed member to hold the same in assembled relation. A

4.In combination with an interchangeablefeed member for a fountain pen barrel,A

a sleeve adapted to be positioned'on said feed provided with a cut-out portion provided with shoulders, said nib bein disposed on said feed member with the s ank disposed in said cut-out and the shoulders inA contact, and a band surrounding said! nib shank, sleeve and feed member to hold them in predetermined assembled relatio 5. In combinationwith an interchangeable feedY member for a fountain pen barrel,

ya sleeve adapted to be positioned on said feed member and provided with a cut-outportion forming shoulders, a nib having a shank provided with shoulders, said nib beino disposed on said feed member with the shank disposed in said cut-out and the shoulders in contact, and a band having a ta r, said band surrounding said nib shan sleeve and feed member.

V6. In combination with a barrel of a fountain pen, a resection disposed in the end thereof andplrovided with a recessed inner frictional wall, a feed member, a nib mounted on said feed member, a sleeve having a seat for positioning said nib on said feed member a band surrounding said sleeve, nib and feed for 'assembling the same, said band haying a frictionface adapted to frictionally engage the frictional wall of said pen Sectio 7. In combination with apen section of a fountain pen, a feed member, a nib, a sleeve,

for mounting the nib on saidfeed member and a second sleeve carried by said feed member for detachably mounting said feed member and nib in said pen section.

Y .Y 8. In combination, a pen section having a portion, a sleeve iitti'n contacting surface, a feed member, a nib positioning sleeve on said feed member, aA nib seated on said positioning sleeve, and a cooperative contacting surface carried by said feed member adapted to engage the contacting surface on sai pen section, said contacting surfaces forming a detachable connection for ermitting the exchangeV of assembled fee members and-nibs.

9. In combination a non-'metallic feed bar having an ink groove, a nib, a sleeve fitting over the feed bar and having a seat for the nib, and a sleeve formed with a gradual ta r adapted to slip over the sleeve and feed bar 0r holdin the nib and feed bar assembled.

10. n combination a non-metallic feed bar having an ink groove,

" over thefeed bar and aving a seat shape -to correspond to the shape of the nib shank and a sleeve having a gradual taper adapted to iit over-the sleeve, nib and feed `bar for holding them assembled.

11. In combination with a feed member, a. positionin member thereon, and a nib having a sha said shank being provided with positioning means adapted to cooperate with said positloning member for mounting said nib in predetermined position on sai feed member, and a sleeve member for detachably holding said nib and feed member in assembled relation.

12. In combination with a feed member, a positionin member thereon, and a nib having a sha said shank being provided with positioning said positloning member for mountin said nib in predetermined position on sai feed member, and a tapered sleeve member for detachably holding said nib and feed member in assembled relation.

. 13. In combination with an interchangeablel feed member for fountain pen barrels, a sleeve adapted to be positioned on said feed member and provided with a seat for the reception of a nib shank, a nib,l and a second s eeve adapted to be positioned on said rst sleeve, nib, and feed member to hold said nib in a redetermined position relative to said eed member.

\ 14. In combination with a feed member, -a positioning sleeve thereon provided with a cut-out portion, and a nib having a shank, disposed on said feed member, said shank co operating with said cut-out portion for holding said nib'in position.

15. In combination with a feed member, a

out portion, and a nib on said feed memberil a shank, said shank bein provided with positioningmeans adapte to cooperate w1th a nib having a shankvsaid positioning member for mountin said nib in predetermined position on sai feed member and means for detachably holding said nib and'feed member in assembled relation.

In witness whereof, I hereunto subscribe my name to this s ecification.

I' CH LES JAKOB FUNK.

means adapted to cooperate with Vpositing sleeve thereon provided with a cutl 

